Home / 14,906,864.94-20,571,505.63-8,380,548.03

Finding the Fourth Proportional to 14,906,864.94, 20,571,505.63 and 8,380,548.03

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Solution

The fourth proportional to 14,906,864.94, 20,571,505.63 and 8,380,548.03 is: 11,565,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,864.94 : 20,571,505.63 = 8,380,548.03 : x
  2. Step 2: Convert to fraction form
    14,906,864.94/20,571,505.63 = 8,380,548.03/x
  3. Step 3: Cross multiply
    14,906,864.94x = 20,571,505.63 × 8,380,548.03
  4. Step 4: Simplify right side
    14,906,864.94x = 172,400,490,981,630.41
  5. Step 5: Solve for x
    x = 172,400,490,981,630.41/14,906,864.94
  6. Step 6: Final answer
    x = 11,565,174.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.